Home / 18,240.76-27,361.26-15,768.28

Finding the Fourth Proportional to 18,240.76, 27,361.26 and 15,768.28

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Solution

The fourth proportional to 18,240.76, 27,361.26 and 15,768.28 is: 23,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.76 : 27,361.26 = 15,768.28 : x
  2. Step 2: Convert to fraction form
    18,240.76/27,361.26 = 15,768.28/x
  3. Step 3: Cross multiply
    18,240.76x = 27,361.26 × 15,768.28
  4. Step 4: Simplify right side
    18,240.76x = 431,440,008.83
  5. Step 5: Solve for x
    x = 431,440,008.83/18,240.76
  6. Step 6: Final answer
    x = 23,652.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.